The HP33120 function generator is used to provide voltages that vary with time. It has four primary waveforms: sine, square, triangular and ramp. There are three parameters that can be varied for each waveform:
To set any of these features, press the button labeled with the feature you wish to modify. The present setting of this feature will appear. Notice that one of the digits is blinking, turning the dial will affect this digit, you may change which digit is flashing by pressing the left or right arrow keys. It is also possible to enter a number directly by pressing the button marked Enter Number. After pushing this button, you may enter a number on the key pad. Pressing enter immediately following will alter the setting to the new value.